onevm: add info if no vm exists

check_onevm

@@ -128,51 +128,54 @@ ph.perfadd "fail"     "${iFail}"
 ph.perfadd "unknown"  "${iUnknown}"
 ph.perfadd "other"    "${iOther}"
 
-if [ $iUnknown -ne 0 ]; then
-    ph.setStatus "warning"
-    out+="WARNING: a vm with status [Unknown] was found.${NL}"
-fi
-
-if [ $iOther -ne 0 ]; then
-    ph.setStatus "warning"
-    out+="WARNING: There is a VM that has another status than [running].${NL}"
-fi
-
-if [ $iFail -ne 0 ]; then
-    ph.setStatus "critical"
-    out+="ERROR: a vm with status [Failed] was found.${NL}"
-fi
-
-out+=$( 
-echo '>>>>>> By state'
-grep "^# STAT:" "$0" | while read -r line
-do
-        IFS=':' read -r prefix statusS statusL descr <<<"$line"
-        data=$( grep ",${statusS}," <<< "$csvdata" )
-        typeset -i count; count=$( wc -l <<< "$data" )
-        if [ -n "$data" ]; then
-                echo "--- $statusL ($statusS): $count"
-                echo "$descr"
-                if [ $showData -ne 0 ] || [ "${statusS}" != "runn" ]; then
-                    echo "$data"
+if [ $iTotal -gt 0 ]; then
+    if [ $iUnknown -ne 0 ]; then
+        ph.setStatus "warning"
+        out+="WARNING: a vm with status [Unknown] was found.${NL}"
+    fi
+
+    if [ $iOther -ne 0 ]; then
+        ph.setStatus "warning"
+        out+="WARNING: There is a VM that has another status than [running].${NL}"
+    fi
+
+    if [ $iFail -ne 0 ]; then
+        ph.setStatus "critical"
+        out+="ERROR: a vm with status [Failed] was found.${NL}"
+    fi
+
+    out+=$( 
+        echo '>>>>>> By state'
+        grep "^# STAT:" "$0" | while read -r line
+        do
+                IFS=':' read -r prefix statusS statusL descr <<<"$line"
+                data=$( grep ",${statusS}," <<< "$csvdata" )
+                typeset -i count; count=$( wc -l <<< "$data" )
+                if [ -n "$data" ]; then
+                        echo "--- $statusL ($statusS): $count"
+                        echo "$descr"
+                        if [ $showData -ne 0 ] || [ "${statusS}" != "runn" ]; then
+                            echo "$data"
+                        fi
                 fi
-        fi
-done
-echo 
-)
-
-out+=$(
-echo
-echo '>>>>>> By host:'
-for onehost in $( cut -f 8 -d ',' <<< "$csvdata" | sort -u )
-do
-        echo -n "--- $onehost: "
-        grep -c ",${onehost}," <<< "$csvdata"
-        test $showData -ne 0 && grep ",${onehost}," <<< "$csvdata" | nl
-done
-echo
-)
-
+        done
+        echo 
+    )
+
+    out+=$(
+        echo
+        echo '>>>>>> By host:'
+        for onehost in $( cut -f 8 -d ',' <<< "$csvdata" | sort -u )
+        do
+                echo -n "--- $onehost: "
+                grep -c ",${onehost}," <<< "$csvdata"
+                test $showData -ne 0 && grep ",${onehost}," <<< "$csvdata" | nl
+        done
+        echo
+    )
+else
+    out+="Info: no vm was created yet."
+fi
 
 ph.status "OpenNebula VMs - Total: $iTotal .. running: $iRunning, Fail: $iFail, unknown: $iUnknown .. other: $iOther"
 echo "$out"